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phpmyadmin logs out after 1440 secs
...ld not recommend altering this value in your main php.ini file, as it will allow a ridiculously long session timeout for all your PHP sites.
source: http://www.sitekickr.com/blog/increase-phpmyadmin-timeout/
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Automatic Retina images for web sites
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There is a new attribute for the img tag that allows you to add a retina src attribute, namely srcset. No javascript or CSS needed, no double loading of images.
<img src="low-res.jpg" srcset="high-res.jpg 2x">
Browser Support: http://caniuse.com/#search=srcset
O...
Convert UTC Epoch to local date
...w (now being in UTC also). So, whenever you create a date object, it is really in UTC behind the scenes. 2. To display that date, you can display it as the locale setting (toLocaleString(), or, in UTC (toUTCString()). you don't need to convert anything yourself. Construct with utc millisec, all go...
Rails: Open link in new tab (with 'link_to')
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The target: :_blank parameter should be a parameter of link_to, whereas you put it in image_tag parameters. Modify your code like this:
<%= link_to image_tag("facebook.png", class: :facebook_icon, alt: "Facebook"), "http://www.facebo...
How can I use redis with Django?
... charged to do so (like on heroku) it doesn't hurt to cache even for small apps.
– vikki
May 15 '13 at 21:11
1
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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add_column :status, :string, :default => "P"
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OR
You can use a callback, before_save
class Task < ActiveRecord::Base
before_save :default_values
def default_values
self.status ||= 'P' # note self.status = 'P' if self.status.nil? might be safer (per @frontendbeauty)
end
end
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MVC pattern on Android
... means a part of the Activity instantiation. You CAN (but do not have to) call various Activity methods that interact with your views when and if you see fit. Second question: Assuming Activity is intended to take the "controller" role (I believe many Android devs see it that way) why not talk to yo...
Eclipse java debugging: source not found
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Eclipse debugging works with the class actually loaded by the program.
The symptoms you describe sounds like the class in question was not found in the project, but in a distribution jar without debug info found before the project you are working with.
This can happ...
How to test Spring Data repositories?
...epositories reasonably for a simple reason: it's way to cumbersome to mock all the parts of the JPA API we invoke to bootstrap the repositories. Unit tests don't make too much sense here anyway, as you're usually not writing any implementation code yourself (see the below paragraph on custom impleme...
Why can't yield return appear inside a try block with a catch?
...ty. I suspect there are very, very few times where this restriction is actually an issue that can't be worked around - but the added complexity in the compiler would be very significant.
There are a few things like this that I've already encountered:
Attributes not being able to be generic
Inabil...